From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Sharma, Shashank" <shashank.sharma@intel.com>
Subject: Re: [PATCH 09/20] drm: add helper functions for
	YCBCR420 handling
Date: Thu, 13 Jul 2017 10:57:34 +0530
Message-ID: <4c8b6480-2ceb-a46e-3d01-c772d838b1a0@intel.com>
References: <1499685528-6926-1-git-send-email-shashank.sharma@intel.com>
 <1499685528-6926-10-git-send-email-shashank.sharma@intel.com>
 <20170712171749.GN12629@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <20170712171749.GN12629@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org

UmVnYXJkcwoKU2hhc2hhbmsKCgpPbiA3LzEyLzIwMTcgMTA6NDcgUE0sIFZpbGxlIFN5cmrDpGzD
pCB3cm90ZToKPiBPbiBNb24sIEp1bCAxMCwgMjAxNyBhdCAwNDo0ODozN1BNICswNTMwLCBTaGFz
aGFuayBTaGFybWEgd3JvdGU6Cj4+IFRoaXMgcGF0Y2ggYWRkcyBoZWxwZXIgZnVuY3Rpb25zIGZv
ciBZQ0JDUiA0MjAgaGFuZGxpbmcuCj4+IFRoZXNlIGZ1bmN0aW9ucyBkbzoKPj4gLSBjaGVjayBp
ZiBhIGdpdmVuIHZpZGVvIG1vZGUgaXMgWUNCQ1IgNDIwIG9ubHkgbW9kZS4KPj4gLSBjaGVjayBp
ZiBhIGdpdmVuIHZpZGVvIG1vZGUgaXMgWUNCQ1IgNDIwIGFsc28gbW9kZS4KPj4KPj4gVjI6IEFk
ZGVkIFlDQkNSIGZ1bmN0aW9ucyBhcyBoZWxwZXJzIGluIERSTSBsYXllciwgaW5zdGVhZCBvZgo+
PiAgICAgIGtlZXBpbmcgaXQgaW4gSTkxNSBsYXllci4KPj4gVjM6IEFkZGVkIGhhbmRsaW5nIGZv
ciBZQ0JDUi00MjAgb25seSBtb2RlcyB0b28uCj4+IFY0OiBFWFBPUlRfU1lNQk9MKGRybV9maW5k
X2hkbWlfb3V0cHV0X3R5cGUpCj4+IFY1OiBBZGRyZXNzZWQgcmV2aWV3IGNvbW1lbnRzIGZyb20g
RGFudmV0Ogo+PiAgICAgIC0gJXMvZHJtX2ZpbmRfaGRtaV9vdXRwdXRfdHlwZS9kcm1fZGlzcGxh
eV9pbmZvX2hkbWlfb3V0cHV0X3R5cGUKPj4gICAgICAtICVzL2RybV9jYW5fc3VwcG9ydF95Y2Jj
cl9vdXRwdXQvZHJtX2Rpc3BsYXlfc3VwcG9ydHNfeWNiY3Jfb3V0cHV0Cj4+ICAgICAgLSAlcy9k
cm1fY2FuX3N1cHBvcnRfdGhpc195Y2Jjcl9vdXRwdXQvCj4+IAkJZHJtX2Rpc3BsYXlfc3VwcG9y
dHNfdGhpc195Y2Jjcl9vdXRwdXQKPj4gICAgICAtIHBhc3MgZHJtX2Rpc3BsYXlfaW5mbyBpbnN0
ZWFkIG9mIGRybV9jb25uZWN0b3IgZm9yIGNvbnNpc3RlbmN5Cj4+ICAgICAgLSBGb3IgZHJtX2dl
dF9oaWdoZXN0X3F1YWxpdHlfeWNiY3Jfc3VwcG9ydGVkIGRvYywgbW92ZSB0aGUgdmFyaWFibGUK
Pj4gICAgICAgIGRlc2NyaXB0aW9uIGFib3ZlLCBhbmQgdGhlbiB0aGUgZnVuY3Rpb24gZGVzY3Jp
cHRpb24uCj4+IFY2OiBBZGQgb25seSBZQ0JDUjQyMCBoZWxwZXJzIChWaWxsZSkKPj4KPj4gU2ln
bmVkLW9mZi1ieTogU2hhc2hhbmsgU2hhcm1hIDxzaGFzaGFuay5zaGFybWFAaW50ZWwuY29tPgo+
PiAtLS0KPj4gICBkcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMgfCA3NCArKysrKysrKysrKysr
KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKPj4gICBpbmNsdWRlL2RybS9kcm1fbW9k
ZXMuaCAgICAgfCAgNiArKysrCj4+ICAgMiBmaWxlcyBjaGFuZ2VkLCA4MCBpbnNlcnRpb25zKCsp
Cj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMgYi9kcml2ZXJz
L2dwdS9kcm0vZHJtX21vZGVzLmMKPj4gaW5kZXggM2I1M2M4ZTMuLjYxYzgyYTM4IDEwMDY0NAo+
PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVzLmMKPj4gKysrIGIvZHJpdmVycy9ncHUv
ZHJtL2RybV9tb2Rlcy5jCj4+IEBAIC0xNjA0LDMgKzE2MDQsNzcgQEAgaW50IGRybV9tb2RlX2Nv
bnZlcnRfdW1vZGUoc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKm91dCwKPj4gICBvdXQ6Cj4+ICAg
CXJldHVybiByZXQ7Cj4+ICAgfQo+PiArCj4+ICsvKioKPj4gKyAqIGRybV9tb2RlX2lzXzQyMF9v
bmx5IC0gaWYgYSBnaXZlbiB2aWRlb21vZGUgY2FuIGJlIG9ubHkgc3VwcG9ydGVkIGluIFlDQkNS
NDIwCj4+ICsgKiBvdXRwdXQgZm9ybWF0Cj4+ICsgKgo+PiArICogQGNvbm5lY3RvcjogZHJtIGNv
bm5lY3RvciB1bmRlciBhY3Rpb24uCj4+ICsgKiBAbW9kZTogdmlkZW8gbW9kZSB0byBiZSB0ZXN0
ZWQuCj4+ICsgKgo+PiArICogUmV0dXJuczoKPj4gKyAqIHRydWUgaWYgdGhlIG1vZGUgY2FuIGJl
IHN1cHBvcnRlZCBpbiBZQ0JDUjQyMCBmb3JtYXQKPj4gKyAqIGZhbHNlIGlmIG5vdC4KPj4gKyAq
Lwo+PiArYm9vbCBkcm1fbW9kZV9pc180MjBfb25seShzdHJ1Y3QgZHJtX2Rpc3BsYXlfaW5mbyAq
ZGlzcGxheSwKPj4gKwkJCXN0cnVjdCBkcm1fZGlzcGxheV9tb2RlICptb2RlKQo+IEJvdGggc2hv
dWxkIGJlIGNvbnN0LiBJbmRlbnRhdGlvbiBsb29rcyBidXN0ZWQuCkFncmVlLgo+PiArewo+PiAr
CXU4IHZpYyA9IGRybV9tYXRjaF9jZWFfbW9kZShtb2RlKTsKPj4gKwo+PiArCS8qCj4+ICsJICog
UmVxdWlyZW1lbnRzIG9mIGEgNDIwX29ubHkgbW9kZToKPj4gKwkgKiBtdXN0IGJlIGEgdmFsaWQg
Y2VhIG1vZGUKPj4gKwkgKiBlbnRyeSBpbiA0MjBfb25seSBiaXRtYXAKPj4gKwkgKi8KPj4gKwlp
ZiAoIWRybV92YWxpZF9jZWFfdmljKHZpYykpCj4+ICsJCXJldHVybiBmYWxzZTsKPiBNb3JlIHVu
bmVjZXNzYXJ5IGNoZWNrcy4KT2suClNoYXNoYW5rCj4+ICsKPj4gKwlyZXR1cm4gdGVzdF9iaXQo
dmljLCBkaXNwbGF5LT5oZG1pLnk0MjBfdmRiX21vZGVzKTsKPj4gK30KPj4gK0VYUE9SVF9TWU1C
T0woZHJtX21vZGVfaXNfNDIwX29ubHkpOwo+PiArCj4+ICsvKioKPj4gKyAqIGRybV9tb2RlX2lz
XzQyMF9hbHNvIC0gaWYgYSBnaXZlbiB2aWRlb21vZGUgY2FuIGJlIHN1cHBvcnRlZCBpbiBZQ0JD
UjQyMAo+PiArICogb3V0cHV0IGZvcm1hdCBhbHNvIChhbG9uZyB3aXRoIFJHQi9ZQ0JDUjQ0NC80
MjIpCj4+ICsgKgo+PiArICogQGRpc3BsYXk6IGRpc3BsYXkgdW5kZXIgYWN0aW9uLgo+PiArICog
QG1vZGU6IHZpZGVvIG1vZGUgdG8gYmUgdGVzdGVkLgo+PiArICoKPj4gKyAqIFJldHVybnM6Cj4+
ICsgKiB0cnVlIGlmIHRoZSBtb2RlIGNhbiBiZSBzdXBwb3J0IFlDQkNSNDIwIGZvcm1hdAo+PiAr
ICogZmFsc2UgaWYgbm90Lgo+PiArICovCj4+ICtib29sIGRybV9tb2RlX2lzXzQyMF9hbHNvKHN0
cnVjdCBkcm1fZGlzcGxheV9pbmZvICpkaXNwbGF5LAo+PiArCQkJc3RydWN0IGRybV9kaXNwbGF5
X21vZGUgKm1vZGUpCj4+ICt7Cj4+ICsJdTggdmljID0gZHJtX21hdGNoX2NlYV9tb2RlKG1vZGUp
Owo+PiArCj4+ICsJLyoKPj4gKwkgKiBSZXF1aXJlbWVudHMgb2YgYSA0MjBfYWxzbyBtb2RlOgo+
PiArCSAqIG11c3QgYmUgYSB2YWxpZCBjZWEgbW9kZQo+PiArCSAqIGVudHJ5IGluIDQyMF9hbHNv
IGJpdG1hcAo+PiArCSAqLwo+PiArCWlmICghZHJtX3ZhbGlkX2NlYV92aWModmljKSkKPj4gKwkJ
cmV0dXJuIGZhbHNlOwo+PiArCj4+ICsJcmV0dXJuIHRlc3RfYml0KHZpYywgZGlzcGxheS0+aGRt
aS55NDIwX2NtZGJfbW9kZXMpOwo+PiArfQo+PiArRVhQT1JUX1NZTUJPTChkcm1fbW9kZV9pc180
MjBfYWxzbyk7Cj4+ICsvKioKPj4gKyAqIGRybV9tb2RlX2lzXzQyMCAtIGlmIGEgZ2l2ZW4gdmlk
ZW9tb2RlIGNhbiBiZSBzdXBwb3J0ZWQgaW4gWUNCQ1I0MjAKPj4gKyAqIG91dHB1dCBmb3JtYXQK
Pj4gKyAqCj4+ICsgKiBAZGlzcGxheTogZGlzcGxheSB1bmRlciBhY3Rpb24uCj4+ICsgKiBAbW9k
ZTogdmlkZW8gbW9kZSB0byBiZSB0ZXN0ZWQuCj4+ICsgKgo+PiArICogUmV0dXJuczoKPj4gKyAq
IHRydWUgaWYgdGhlIG1vZGUgY2FuIGJlIHN1cHBvcnRlZCBpbiBZQ0JDUjQyMCBmb3JtYXQKPj4g
KyAqIGZhbHNlIGlmIG5vdC4KPj4gKyAqLwo+PiArYm9vbCBkcm1fbW9kZV9pc180MjAoc3RydWN0
IGRybV9kaXNwbGF5X2luZm8gKmRpc3BsYXksCj4+ICsJCQlzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9k
ZSAqbW9kZSkKPj4gK3sKPj4gKwlyZXR1cm4gZHJtX21vZGVfaXNfNDIwX29ubHkoZGlzcGxheSwg
bW9kZSkgfHwKPj4gKwkJZHJtX21vZGVfaXNfNDIwX2Fsc28oZGlzcGxheSwgbW9kZSk7Cj4+ICt9
Cj4+ICtFWFBPUlRfU1lNQk9MKGRybV9tb2RlX2lzXzQyMCk7Cj4+IGRpZmYgLS1naXQgYS9pbmNs
dWRlL2RybS9kcm1fbW9kZXMuaCBiL2luY2x1ZGUvZHJtL2RybV9tb2Rlcy5oCj4+IGluZGV4IGY4
YTEyNjguLjk4MGRiMjcgMTAwNjQ0Cj4+IC0tLSBhL2luY2x1ZGUvZHJtL2RybV9tb2Rlcy5oCj4+
ICsrKyBiL2luY2x1ZGUvZHJtL2RybV9tb2Rlcy5oCj4+IEBAIC00NTIsNiArNDUyLDEyIEBAIGlu
dCBkcm1fbW9kZV9jb252ZXJ0X3Vtb2RlKHN0cnVjdCBkcm1fZGlzcGxheV9tb2RlICpvdXQsCj4+
ICAgCQkJICAgY29uc3Qgc3RydWN0IGRybV9tb2RlX21vZGVpbmZvICppbik7Cj4+ICAgdm9pZCBk
cm1fbW9kZV9wcm9iZWRfYWRkKHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsIHN0cnVj
dCBkcm1fZGlzcGxheV9tb2RlICptb2RlKTsKPj4gICB2b2lkIGRybV9tb2RlX2RlYnVnX3ByaW50
bW9kZWxpbmUoY29uc3Qgc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKm1vZGUpOwo+PiArYm9vbCBk
cm1fbW9kZV9pc180MjBfb25seShzdHJ1Y3QgZHJtX2Rpc3BsYXlfaW5mbyAqZGlzcGxheSwKPj4g
KwkJCXN0cnVjdCBkcm1fZGlzcGxheV9tb2RlICptb2RlKTsKPj4gK2Jvb2wgZHJtX21vZGVfaXNf
NDIwX2Fsc28oc3RydWN0IGRybV9kaXNwbGF5X2luZm8gKmRpc3BsYXksCj4+ICsJCQlzdHJ1Y3Qg
ZHJtX2Rpc3BsYXlfbW9kZSAqbW9kZSk7Cj4+ICtib29sIGRybV9tb2RlX2lzXzQyMChzdHJ1Y3Qg
ZHJtX2Rpc3BsYXlfaW5mbyAqZGlzcGxheSwKPj4gKwkJCXN0cnVjdCBkcm1fZGlzcGxheV9tb2Rl
ICptb2RlKTsKPj4gICAKPj4gICBzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqZHJtX2N2dF9tb2Rl
KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4+ICAgCQkJCSAgICAgIGludCBoZGlzcGxheSwgaW50
IHZkaXNwbGF5LCBpbnQgdnJlZnJlc2gsCj4+IC0tIAo+PiAyLjcuNAo+Pgo+PiBfX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiBkcmktZGV2ZWwgbWFpbGlu
ZyBsaXN0Cj4+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPj4gaHR0cHM6Ly9saXN0
cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwKCl9fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxp
c3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr
dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=